That was as straight as lions could get it.  Even at 9min/mile, you can see how much is oscillates.  That was with P 200 D 1000 & bandwidth 0.9.  In a pinch, movies could be made at 10min/mile.  The servo & algorithm made a big difference, but it's still pretty awful range & tire wear.  It's a referendum on a new platform.

Anyways, experience has shown the $220 for what appears to be Chinese junk today eventually becomes the fair market price of the $500 items from Japan which appear to be high end.